Home / 211,242.22-291,521.04-115,754.98

Finding the Fourth Proportional to 211,242.22, 291,521.04 and 115,754.98

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Solution

The fourth proportional to 211,242.22, 291,521.04 and 115,754.98 is: 159,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,242.22 : 291,521.04 = 115,754.98 : x
  2. Step 2: Convert to fraction form
    211,242.22/291,521.04 = 115,754.98/x
  3. Step 3: Cross multiply
    211,242.22x = 291,521.04 × 115,754.98
  4. Step 4: Simplify right side
    211,242.22x = 33,745,012,154.78
  5. Step 5: Solve for x
    x = 33,745,012,154.78/211,242.22
  6. Step 6: Final answer
    x = 159,745.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.